demarpratt2523 demarpratt2523

05-10-2019
Physics

contestada

When baking soda and vinegar are mixed together bubbles form and the vinegar and baking soda are changed into new chemicals. This is an example of - A. a physical change. B. a chemical change. C. both a physical and chemical change. D. neither a physical nor a chemical change.

Respuesta :

ojjjj31 ojjjj31

05-10-2019

Answer:

A. Chemical change

Explanation:

When vinegar and baking soda are first mixed together, hydrogen ions in the vinegar react with the sodium and bicarbonate ions in the baking soda. The result of this initial reaction is two new chemicals: carbonic acid and sodium acetate.

Answer Link

Otras preguntas

What is the sign of the product (–7)(–2)(–5)(1)? Positive, because the products (–7)(–2) and (–5)(1) are negative, and the product of two negative numbers is p

The Ring of Fire is where many volcanoes occur because the _____ plate is subducted in nearly every region.

Name two forces that acted on the blocks as they slid down the ramps. Describe how each force you listed affected the motion of the block.

1. What physical process changed the geological area and composition of the Earth's oceans

You are preparing an investigative report on the california gold rush. what might be a primary source document for your research?

It is important to show sportsmanship because it A. ensures you will win B. determines your scoring C. builds mutual respect D. creates better judgment from ref

Clinical trials for drugs include

Tom has $15.86 to buy marbles that cost $1.25 each. he wants to know how many marbles he can buy. what should he do after he divides.

In the classroom demonstration shown above, a rubber ball is dropped from Position 1. The ball bounces as shown. A. What is the source of the potential energy

Paul wrote all of his letters from Rome and mailed them by way of other people. True False

Q&A Education